"For software that's been around since the late '70s, before any of today's more popular operating systems, open source BSDs (in their current avatars) don't get their due share of hard disks. FreeBSD, one of the first BSD flavors to emerge from the 386BSD project, is a Unix-like free operating system based originally on the BSD branch of 386BSD and later 4.4BSD-Lite. This makes BSDs more like traditional Unixes than Linux. Late last year FreeBSD unleashed release 6.0, with better support for 64-bit and wireless hardware. Here's our review."